Tech stocks tumble amid renewed AI worries on Wall Street

As tech companies push the stock market to record highs, fears of an AI bubble continue to simmer on Wall Street, where even a slight earnings miss threatens to upend high-flying stocks. On Thursday, Oracle was the latest company to experience this first-hand.Oracle shares closed down nearly 11% on Thursday after the company announced revenue that fell short of Wall Street estimates. That wiped nearly $70 billion off the company's market value in a matter of hours.The tech-heavy Nasdaq was the only major in ...